According to Japanese website nomadly, Panasonic has accidently leaked a new full frame L-mount mirrorless camera Lumix DC-S5 in their shooting grip manual.
This new Lumix DC-S5 could be a new entry-level L-mount full frame mirrorless camera below Lumix S1 and S1R. The release date is expected in later 2020. Stay tuned for more info. In the past, Panasonic has already confirmed that a new entry-level full frame mirrorless camera will coming.